alluvium

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alluvium

The material deposited on land by virtue of the process of accretion. The accretion process occurs when rivers or other waters deposit silt and mud on land,and thus create more land; the silt and mud making up the new land is called alluvium.

References in periodicals archive ?
Gold and platinum have been recovered from alluvial deposits for centuries and it stands to be a very exciting endeavor to try and locate the bedrock source of these precious metals.
In summary, there is excellent potential for economic recovery of gold from the alluvial deposits in the Offin River Valley within Sunergy's Nyinahin concession,' Robert Levich, Director.
Nevada Rae Gold, a subsidiary of Pacific Gold Corp, has acquired a portion of a gold project known as Crescent Valley, located in north-central Nevada, which contains a large alluvial deposit.
These profiles provide a detailed view into the alluvial deposits, discerning channels and bedrock depressions where placer diamonds are likely to concentrate.
SearchGold's scoping studies on the Mandala alluvial deposits confirm the high diamond grades derived from Mano's kimberlite dykes.
Gold was produced from alluvial deposits in several stream and river drainages.
Haber has also been actively working in Ghana toward the implementation of a program known as the Strategic Abatement of Mercury and Poverty (STAMP), and is confident that a portion of the Good Ground property containing alluvial deposits can be utilized for the STAMP program as well.
The approval to mine "deep rock" enables the Company to access the main ore bodies located underneath the alluvial deposits.
A preliminary delineation and evaluation of recent alluvial deposits and of the basal conglomerate will be carried out in order to provide a very preliminary evaluation of the diamond content in the pipes.
30 /CNW-PRN/ - Rex Diamond Mining Corporation today announced that it has taken an initial step to begin developing the group's extensive portfolio of alluvial deposits in South Africa.
On the Mercurio project, informal gold production from alluvial deposits and saprolite soils by local miners has occurred locally over an area of eight by four kilometers.
The large Bow River mine was built to recover diamonds from alluvial deposits in the same area as the Argyle kimberlite mine.